Maternal Hyperthyroidism in Pregnancy
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Questions and Answers

Which hormone is responsible for the suppressed serum TSH levels in the first trimester of normal pregnancies?

  • hCG (correct)
  • fT4
  • T3
  • T4

    • What is the definition of subclinical hyperthyroidism in pregnancy?

  • Elevated serum TSH with elevated fT4 and/or fT3 levels
  • Suppressed serum TSH with normal fT4 and/or fT3 levels (correct)
  • Suppressed serum TSH with elevated fT4 and/or fT3 levels
  • Elevated serum TSH with normal fT4 and/or fT3 levels

    • What is the recommended treatment for subclinical hyperthyroidism in pregnancy?

  • No treatment is recommended (correct)
  • High-dose thyroid hormone replacement therapy
  • Surgical removal of the thyroid gland
  • Radioactive iodine therapy

    • When should maternal serum fT4 concentrations be measured if a suppressed serum TSH is detected in the first trimester?

    <p>In conjunction with evaluating subnormal serum TSH</p> Signup and view all the answers

    What are the two most common causes of hyperthyroidism in pregnancy?

    <p>Graves' disease and gestational transient thyrotoxicosis</p> Signup and view all the answers

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